/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package studio.raptor.ddal.common.retry;

import java.util.concurrent.TimeUnit;


abstract class SleepingRetry implements RetryPolicy {

    private final int n;


    protected SleepingRetry(int n) {
        this.n = n;
    }


    // made public for testing
    public int getN() {
        return n;
    }


    public boolean allowRetry(int retryCount, long elapsedTimeMs, RetrySleeper sleeper) {
        if (retryCount < n) {
            try {
                sleeper.sleepFor(getSleepTimeMs(retryCount, elapsedTimeMs), TimeUnit.MILLISECONDS);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                return false;
            }
            return true;
        }
        return false;
    }


    protected abstract int getSleepTimeMs(int retryCount, long elapsedTimeMs);
}
